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From jerem...@apache.org
Subject svn commit: r447287 - in /xmlgraphics/commons/trunk/examples/java/image: ./ writer/ writer/ImageWriterExample1.java writer/ImageWriterExample2.java
Date Mon, 18 Sep 2006 06:47:52 GMT
Author: jeremias
Date: Sun Sep 17 23:47:51 2006
New Revision: 447287

URL: http://svn.apache.org/viewvc?view=rev&rev=447287
Log:
ImageWriter demonstration:
Example 1: writing a single image
Example 2: writing a multi-page image

Added:
    xmlgraphics/commons/trunk/examples/java/image/
    xmlgraphics/commons/trunk/examples/java/image/writer/
    xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java   (with
props)
    xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java   (with
props)

Added: xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java
URL: http://svn.apache.org/viewvc/xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java?view=auto&rev=447287
==============================================================================
--- xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java (added)
+++ xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java Sun Sep
17 23:47:51 2006
@@ -0,0 +1,148 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package image.writer;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics2D;
+import java.awt.font.TextAttribute;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.text.AttributedString;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.xmlgraphics.image.writer.ImageWriter;
+import org.apache.xmlgraphics.image.writer.ImageWriterParams;
+import org.apache.xmlgraphics.image.writer.ImageWriterRegistry;
+
+public class ImageWriterExample1 {
+
+    /**
+     * Paints a few things on a Graphics2D instance.
+     * @param g2d the Graphics2D instance
+     * @param pageNum a page number
+     */
+    protected void paintSome(Graphics2D g2d, int pageNum) {
+        //Paint a bounding box
+        g2d.drawRect(0, 0, 400, 200);
+        
+        //A few rectangles rotated and with different color
+        Graphics2D copy = (Graphics2D)g2d.create();
+        int c = 12;
+        for (int i = 0; i < c; i++) {
+            float f = ((i + 1) / (float)c);
+            Color col = new Color(0.0f, 1 - f, 0.0f);
+            copy.setColor(col);
+            copy.fillRect(70, 90, 50, 50);
+            copy.rotate(-2 * Math.PI / (double)c, 70, 90);
+        }
+        copy.dispose();
+        
+        //Some text
+        copy = (Graphics2D)g2d.create();
+        copy.rotate(-0.25);
+        copy.setColor(Color.RED);
+        copy.setFont(new Font("sans-serif", Font.PLAIN, 36));
+        copy.drawString("Hello world!", 140, 140);
+        copy.setColor(Color.RED.darker());
+        copy.setFont(new Font("serif", Font.PLAIN, 36));
+        copy.drawString("Hello world!", 140, 180);
+        copy.dispose();
+        
+        //Try attributed text
+        AttributedString aString = new AttributedString("This is attributed text.");
+        aString.addAttribute(TextAttribute.FAMILY, "SansSerif");
+        aString.addAttribute(TextAttribute.FAMILY, "Serif", 8, 18);
+        aString.addAttribute(TextAttribute.FOREGROUND, Color.orange, 8, 18);
+        g2d.drawString(aString.getIterator(), 250, 170);
+        
+        g2d.drawString("Page: " + pageNum, 250, 190);
+    }
+    
+    /**
+     * Creates a bitmap file. We paint a few things on a bitmap and then save the bitmap
using
+     * an ImageWriter.
+     * @param outputFile the target file
+     * @param format the target format (a MIME type, ex. "image/png")
+     * @throws IOException In case of an I/O error
+     */
+    public void generateBitmapUsingJava2D(File outputFile, String format) 
+                throws IOException {
+        //String compression = "CCITT T.6"; 
+        String compression = "PackBits"; 
+        boolean monochrome = compression.startsWith("CCITT"); //CCITT is for 1bit b/w only
+
+        BufferedImage bimg;
+        if (monochrome) {
+            bimg = new BufferedImage(400, 200, BufferedImage.TYPE_BYTE_BINARY);
+        } else {
+            bimg = new BufferedImage(400, 200, BufferedImage.TYPE_INT_RGB);
+        }
+        
+        Graphics2D g2d = bimg.createGraphics();
+        g2d.setBackground(Color.white);
+        g2d.clearRect(0, 0, 400, 200);
+        g2d.setColor(Color.black);
+        
+        //Paint something
+        paintSome(g2d, 1);
+        
+        OutputStream out = new java.io.FileOutputStream(outputFile);
+        out = new java.io.BufferedOutputStream(out);
+        try {
+
+            ImageWriter writer = ImageWriterRegistry.getInstance().getWriterFor(format);
+            ImageWriterParams params = new ImageWriterParams();
+            params.setCompressionMethod(compression);
+            params.setResolution(72);
+            writer.writeImage(bimg, out, params);
+            
+        } finally {
+            IOUtils.closeQuietly(out);
+        }
+    }
+
+    /**
+     * Command-line interface
+     * @param args command-line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            File targetDir;
+            if (args.length >= 1) {
+                targetDir = new File(args[0]);
+            } else {
+                targetDir = new File(".");
+            }
+            if (!targetDir.exists()) {
+                System.err.println("Target Directory does not exist: " + targetDir);
+            }
+            File outputFile = new File(targetDir, "eps-example1.tif");
+            ImageWriterExample1 app = new ImageWriterExample1();
+            app.generateBitmapUsingJava2D(outputFile, "image/tiff");
+            System.out.println("File written: " + outputFile.getCanonicalPath());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+}

Propchange: xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample1.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java
URL: http://svn.apache.org/viewvc/xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java?view=auto&rev=447287
==============================================================================
--- xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java (added)
+++ xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java Sun Sep
17 23:47:51 2006
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package image.writer;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.xmlgraphics.image.writer.ImageWriter;
+import org.apache.xmlgraphics.image.writer.ImageWriterParams;
+import org.apache.xmlgraphics.image.writer.ImageWriterRegistry;
+import org.apache.xmlgraphics.image.writer.MultiImageWriter;
+
+public class ImageWriterExample2 extends ImageWriterExample1 {
+
+    private BufferedImage createAnImage(String compression, int pageNum) {
+        boolean monochrome = compression.startsWith("CCITT"); //CCITT is for 1bit b/w only
+
+        BufferedImage bimg;
+        if (monochrome) {
+            bimg = new BufferedImage(400, 200, BufferedImage.TYPE_BYTE_BINARY);
+        } else {
+            bimg = new BufferedImage(400, 200, BufferedImage.TYPE_INT_RGB);
+        }
+        
+        Graphics2D g2d = bimg.createGraphics();
+        g2d.setBackground(Color.white);
+        g2d.clearRect(0, 0, 400, 200);
+        g2d.setColor(Color.black);
+        
+        //Paint something
+        paintSome(g2d, pageNum);
+        
+        return bimg;
+    }
+    
+    /**
+     * Creates a bitmap file. We paint a few things on a bitmap and then save the bitmap
using
+     * an ImageWriter.
+     * @param outputFile the target file
+     * @param format the target format (a MIME type, ex. "image/png")
+     * @throws IOException In case of an I/O error
+     */
+    public void generateBitmapUsingJava2D(File outputFile, String format) 
+                throws IOException {
+        //String compression = "CCITT T.6"; 
+        String compression = "PackBits"; 
+
+        OutputStream out = new java.io.FileOutputStream(outputFile);
+        out = new java.io.BufferedOutputStream(out);
+        try {
+
+            ImageWriter writer = ImageWriterRegistry.getInstance().getWriterFor(format);
+            ImageWriterParams params = new ImageWriterParams();
+            params.setCompressionMethod(compression);
+            params.setResolution(72);
+            
+            if (writer.supportsMultiImageWriter()) {
+                MultiImageWriter multiWriter = writer.createMultiImageWriter(out);
+                multiWriter.writeImage(createAnImage(compression, 1), params);
+                multiWriter.writeImage(createAnImage(compression, 2), params);
+                multiWriter.close();
+            } else {
+                throw new UnsupportedOperationException("multi-page images not supported
for " 
+                        + format);
+            }
+            
+        } finally {
+            IOUtils.closeQuietly(out);
+        }
+    }
+
+    /**
+     * Command-line interface
+     * @param args command-line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            File targetDir;
+            if (args.length >= 1) {
+                targetDir = new File(args[0]);
+            } else {
+                targetDir = new File(".");
+            }
+            if (!targetDir.exists()) {
+                System.err.println("Target Directory does not exist: " + targetDir);
+            }
+            File outputFile = new File(targetDir, "eps-example2.tif");
+            ImageWriterExample2 app = new ImageWriterExample2();
+            app.generateBitmapUsingJava2D(outputFile, "image/tiff");
+            System.out.println("File written: " + outputFile.getCanonicalPath());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+}

Propchange: xmlgraphics/commons/trunk/examples/java/image/writer/ImageWriterExample2.java
------------------------------------------------------------------------------
    svn:eol-style = native



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